Which of the following conditions does the passage suggest is a possible cause for the failure of a lobster to develop a crusher claw?

A. The loss of a claw during the third or earlier stage of development
B. The loss of claw during the fourth or fifth stage of development
C. The loss of a claw during the sixth stage of development
D. Development in an environment devoid of material that can be manipulated
A. The loss of a claw during the third or earlier stage of development
B. The loss of claw during the fourth or fifth stage of development
C. The loss of a claw during the sixth stage of development
D. Development in an environment devoid of material that can be manipulated

【答案】